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EP0109663B1 - Support de papier peint ayant une couche superficielle adhésive - Google Patents

Support de papier peint ayant une couche superficielle adhésive Download PDF

Info

Publication number
EP0109663B1
EP0109663B1 EP83111504A EP83111504A EP0109663B1 EP 0109663 B1 EP0109663 B1 EP 0109663B1 EP 83111504 A EP83111504 A EP 83111504A EP 83111504 A EP83111504 A EP 83111504A EP 0109663 B1 EP0109663 B1 EP 0109663B1
Authority
EP
European Patent Office
Prior art keywords
adhesion
wall
units
paper backing
wallpaper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83111504A
Other languages
German (de)
English (en)
Other versions
EP0109663A3 (en
EP0109663A2 (fr
Inventor
Uwe Lauterbach
Karl-Heinz Schickel
Tom Edward Coops Van Utteren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to AT83111504T priority Critical patent/ATE35432T1/de
Publication of EP0109663A2 publication Critical patent/EP0109663A2/fr
Publication of EP0109663A3 publication Critical patent/EP0109663A3/de
Application granted granted Critical
Publication of EP0109663B1 publication Critical patent/EP0109663B1/fr
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material

Definitions

  • the invention relates to a flame-retardant sub-wallpaper made of rigid polystyrene foam which has an adhesion-promoting coating on at least one of its surfaces to improve the adhesion between the sub-wallpaper and wall covering, in particular wallpaper, this coating comprising a flame-retardant additive.
  • Under-wallpaper is to be understood as an underlay in the form of a plate or film which is applied to a wall or ceiling and serves as a base for a covering, in particular for wallpapers.
  • a sub-wallpaper made of rigid polystyrene foam is described, for example, in EP-A-0 036 156 and DE-U-7 931 745.
  • Wall cladding panels or foils made of rigid polystyrene foam are generally known and serve as so-called sub-wallpapers for covering walls before a wallpaper is stuck on;
  • foil rolls can also be found on the market. They are generally characterized by a rectangular spatial shape, their length and width are proportionately much larger than their thickness. These panels or foils can be used, for example, to cover wall cracks, achieve a certain level of thermal insulation and prevent condensation.
  • a certain disadvantage of such wall cladding panels or foils may be that excessive heat, e.g. B. caused by open flames, the polystyrene melts below the flash point of a glued wallpaper and / or the foam structure breaks down. This creates a cavity between the wallpaper and the wall, so that when the flash point is reached, the wallpaper, which is favored by this cavity, burns very easily.
  • this special equipment is often not required, so that it then makes the production of these products unnecessarily cumbersome and expensive.
  • EP-A-0 036 156 it is also known to use an adhesive for solving this problem, for gluing wallpapers on foamed polystyrene sheets, which contains an adhesive component which is known per se and which, however, additionally, based on its adhesive portion, Has 20 to 80 wt .-% of a flame retardant.
  • an adhesive component which is known per se and which, however, additionally, based on its adhesive portion, Has 20 to 80 wt .-% of a flame retardant.
  • Compounds based on ammonium phosphate and ammonium sulfamate are mentioned as examples of suitable flame retardants.
  • DE-U-7 931 745 teaches not to provide the paste, but rather the adhesion-promoting surface layer applied to the sub-wallpaper made of rigid polystyrene foam with a flame retardant.
  • the wallpaper provided with a paste is then connected to the sub-wallpaper via this adhesion-promoting layer.
  • the plates are coated with an aqueous dispersion in the manner of filled dispersion adhesives during their production and then dried in a heating channel.
  • the purpose of the adhesion promoter is to increase the adhesive strength between the sub-wallpaper and the wallpaper provided with paste.
  • the surface layer of the sub-wallpaper containing the adhesion promoter may also have a flame-retardant additive, but this document does not contain any information about the type and amount of this substance or the application method.
  • the task therefore arises of developing a highly effective flame retardant for composites comprising a sub-wallpaper with an adhesion-promoting surface layer and a wall covering, in particular a wallpaper, which on the one hand has the adhesive properties of the surface-coated foamed polystyrene plates or foils compared to those to be applied thereon Materials, especially wallpaper provided with paste, not adversely affected, but even improved, and on the other hand, the flammability of the composite of sub-wallpaper and wall covering, in particular wallpaper, is reduced, whereby in the case of wallpapers with a weight per unit area of 50 to 300 g / m 2 the Class B2 or even B1 (DIN 4102) should be achieved.
  • a highly effective flame retardant for composites comprising a sub-wallpaper with an adhesion-promoting surface layer and a wall covering, in particular a wallpaper, which on the one hand has the adhesive properties of the surface-coated foamed polystyrene plates or foils compared to those to be applied thereon Materials, especially
  • the sub-wallpaper can be in the form of sheet-like foils or rectangular plates, as have been known for some time.
  • the film has a customary thickness of 1 to 10, in particular 1 to 6 mm and a width of up to 1200 mm
  • the plate has a customary thickness of 1 to 12, in particular 2 to 8 mm, and is in a form which is dependent on the intended use , it can also be folded.
  • the material from which the sub-wallpaper is made of rigid polystyrene foam, e.g. B. particle foam, but preferably extruded rigid polystyrene foam. Processes for the production of such plates or foils or the materials themselves are known; reference is made to the references cited in EP-A-0 036 156.
  • the adhesion-promoting coating comprises the specified copolymers or terpolymers with a predominant proportion of vinyl acetate units, a terpolymer composed of vinyl acetate, ethylene and vinyl chloride units is preferably used (for example 0 Mowilith DM 120 or IvMowilith DM 122, manufacturer Hoechst ).
  • the flame retardant consists of non-flammable inorganic compounds based on boron and aluminum. These compounds include, in particular, boric acid or its salts, and aluminum hydroxide (e.g. ® Martinal ON 310, manufacturer Martinswerke / Cologne).
  • aluminum hydroxide e.g. ® Martinal ON 310, manufacturer Martinswerke / Cologne.
  • the common use of aluminum hydroxide with zinc borate gives an unexpectedly great synergistic effect with regard to the flame retardant effect, which is strongest when the weight ratio of the aluminum to zinc compound is 1: 1 to 7: 1, in particular 2: 1 to 5: 1.
  • these preferred flame retardants show a significantly lower development of smoke gases compared to other flame retardants and bring about a significantly reduced flammability of the composite of polystyrene foam and wallpaper. As has further been shown, they surprisingly even improve the adhesive effect of the adhesive raw material, which was not predictable.
  • the adhesion-promoting coating is applied to the sub-wallpaper, for example, by the so-called knife application process in the manner of a gluing machine.
  • the coated material is then dried in a heating channel. Practically all of the water is removed.
  • other application methods can also be used, such as e.g. B. rotary screen printing, roller application, brush application, casting process with and without printing or spraying process.
  • the application amount of the surface coating is adjusted so that the weight per unit area after drying is 100 to 400, preferably 200 to 300 g / m 2 .
  • the coating components When applied, the coating components are in aqueous dispersion, to which small amounts of processing agents such as cellulose ether and dispersion-stabilizing and film-forming aids are also added.
  • processing agents such as cellulose ether and dispersion-stabilizing and film-forming aids are also added.
  • wetting agents, preservatives, defoamers and an agent favoring film formation such as butyl diglycol acetate, may also advantageously be present in a total amount of up to 5% by weight, based on the total weight of the dispersion.
  • the sub-wallpaper is after connecting to the substrate, e.g. B. room wall or ceiling, on their adhesion-promoting surface layer with a covering, for. B. a wallpaper, a coat of paint, a spatula or a plaster.
  • a covering for. B. a wallpaper, a coat of paint, a spatula or a plaster.
  • aqueous dispersion according to the invention of the following composition was applied with a doctor blade device to a 6 mm thick sheet of extruded rigid polystyrene foam; the amount applied after drying corresponded to a weight per unit area of 250 g / m 2 .
  • a flame-retardant wallpaper of the brand ® Kinnasand (manufacturer AB Kinnasand, Sweden) was provided with a paste and then applied to the polystyrene rigid foam plate coated with the above dispersion.
  • This composite (wallpaper plus sub-wallpaper) achieved the classification B 1 (flame retardant) according to DIN 4102 in several combustion tests.
  • the wallpaper of example 1 was provided with a paste and then onto a plate made of polystyrene Rigid foam applied, which had been treated with the above-mentioned aqueous dispersion, but without the flame retardants.
  • the classification B 2 (normally flammable) according to DIN 4102 was achieved with this combination in several combustion tests.
  • a heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste, then applied to the polystyrene foam sheet treated with the dispersion of Example 1 and the composite subjected to the usual combustion tests. With the composite, the classification B 2 (normally flammable) according to DIN 4102 was achieved.
  • a heavy paper wallpaper (approx. 200 g / m 2 ) was provided with a paste and applied to the adhesion-promoting surface layer of a foamed polystyrene plate and the composite was tested in combustion tests.
  • the above-mentioned dispersion but without the flame retardants, was applied to the plate and dried.
  • the classification B 3 (highly flammable) according to DIN 4102 was determined in this network.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Adhesive Tapes (AREA)

Claims (4)

1. Support de papier peint en mousse rigide de polystyrène, qui présente sur au moins une de ses faces une enduction pour l'amélioration de l'adhérence entre le support de papier peint et le revêtement combustible, tel qu'un papier peint, lequel comprend un additif ignifugeant, caractérisé en ce que l'enduction pour l'amélioration de l'adhérence est un adhésif constitué d'un copolymère ou d'un terpolymère contenant principalement des motifs acétate de vinyle avec, comme additif ignifugeant, au moins un composé minéral non combustible à base de bore ou d'aluminium, le rapport pondéral de l'adhésif à l'additif ignifugeant étant de 1 : 3 à 1 : 8, et l'enduction pour l'amélioration de l'adhérence présentant un grammage de 100 à 400 g/m2, de préférence de 200 à 300 g/m2 (sec).
2. Support de papier peint suivant la revendication 1, caractérisé en ce que le copolymère ou terpolymère contient comme autres motifs des motifs chlorure de vinyle, éthylène, styrène, ester acrylique, ester méthacrylique et/ou ester maléique.
3. Support de papier peint suivant la revendication 2, caractérisé en ce que l'adhésif est un terpolymère contenant principalement des motifs acétate de vinyle ainsi que des motifs éthylène et chlorure de vinyle.
4. Support de papier peint suivant l'une des revendications 1 à 3, caractérisé en ce que l'agent ignifugeant comprend un mélange d'hydroxyde d'aluminium et de borate de zinc, de préférence dans le rapport pondéral de 1 : 1 à 7 : 1, de préférence de 2 : 1 à 5 : 1.
EP83111504A 1982-11-23 1983-11-17 Support de papier peint ayant une couche superficielle adhésive Expired EP0109663B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111504T ATE35432T1 (de) 1982-11-23 1983-11-17 Untertapete mit haftvermittelnder oberflaechenschicht.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3243259 1982-11-23
DE19823243259 DE3243259A1 (de) 1982-11-23 1982-11-23 Wandverkleidungselement, verfahren zu seiner herstellung und seine verwendung

Publications (3)

Publication Number Publication Date
EP0109663A2 EP0109663A2 (fr) 1984-05-30
EP0109663A3 EP0109663A3 (en) 1984-07-04
EP0109663B1 true EP0109663B1 (fr) 1988-06-29

Family

ID=6178801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111504A Expired EP0109663B1 (fr) 1982-11-23 1983-11-17 Support de papier peint ayant une couche superficielle adhésive

Country Status (3)

Country Link
EP (1) EP0109663B1 (fr)
AT (1) ATE35432T1 (fr)
DE (2) DE3243259A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59410204D1 (de) * 1993-08-28 2002-12-19 Depron Bv Wässriger Dispersionskleber
ES2155294B1 (es) * 1997-03-04 2001-11-16 Diez Javier Alvarez Panel de revestimiento.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932893A1 (de) * 1969-06-28 1971-02-11 Basf Ag Verfahren zum Kleben von schwerentflammbarem Schaumpolystyrol
CA1001539A (en) * 1971-11-02 1976-12-14 Air Products And Chemicals Adhesive compositions of vinyl acetate-ethylene copolymer emulsions
JPS53114843A (en) * 1977-03-18 1978-10-06 Asahi Chem Ind Co Ltd Flame-retardant adhesive composition
DE3010047A1 (de) * 1980-03-15 1981-10-01 Hoechst Ag, 6000 Frankfurt Verfahren zum verkleben von tapeten auf untertapeten und danach hergestellter flaechiger verbund

Also Published As

Publication number Publication date
EP0109663A3 (en) 1984-07-04
ATE35432T1 (de) 1988-07-15
EP0109663A2 (fr) 1984-05-30
DE3243259A1 (de) 1984-05-24
DE3377223D1 (en) 1988-08-04

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